







🛵 Ride Clean, Ride Mean: The Ultimate Oil Filter Upgrade
The K&N KN-171B Motorcycle Oil Filter is a premium, high-performance filter designed specifically for select Harley Davidson motorcycles. Featuring a heavy-duty steel and aluminum housing and pleated synthetic-blend filtration media, it ensures exceptional oil flow and superior contaminant removal. Compatible with synthetic, conventional, and blended oils, it supports longer service intervals and includes a convenient wrench-off nut for easy removal. Laboratory tested for durability and backed by a 1-year limited warranty, this filter is engineered to protect and enhance your engine’s performance.







| Brand | K&N |
| Material | Synthetic-Blend (Filter Media), Steel/Aluminum (Housing) |
| Product Grade | Performance Part |
| Vehicle Service Type | Motorcycle |
| Item dimensions L x W x H | 4 x 3 x 3 inches |
| Outside Diameter | 2.91 Inches |
| Thread Size | M17 x 1.5 |
| Item Weight | 9.6 ounces |
| OEM Part Number | KN-171B |
| Global Trade Identification Number | 00024844087737 |
| Manufacturer | K&N Engineering |
| Number of Items | 1 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 759173941725 182683047043 024844087737 |
| Model | Oil Filter |
| Product Dimensions | 4 x 3 x 3 inches |
| Item model number | KN-171B |
| Is Discontinued By Manufacturer | Yes |
| Exterior | Other |
| Manufacturer Part Number | KN-171B |
| Safety Rating | Não Aplicável |
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